1. Tajwar Solutions Enterprise purchased paper products list priced at RM1,296 less series discounts of 20/10/5, with terms of 3/10-50 extra. If the retailer paid the invoice within 60 days, find the amount paid. (3 Marks) 2. Taariq's Electrical Sdn. Bhd., a retailer, paid RM2,200 for the latest model front load washing machine. The original selling price was RM2,681, but it was marked down 30%. If operating expenses are 20% of the cost, find the operating loss. (3 Marks) 3. Avinity Analytics Enterprise borrowed RM113,355 from a financial institution. The simple interest loan was repaid in 12 months at 9%. Find the amount of the repayment. (3 Marks) 4. Rafiq invest in an account for RM52,750 at a rate of 8.5%. Find how long it will take for his investment to earn RM678.90 in interest. (3 Marks)